It pretty clearly says, "Do not give liars the benefit of the doubt with respect to their current claims." If you want to believe there are WMDs in Iraq, do it because you have evidence, or at least the word of trustworthy people. Don't assume that there has to be a little fig leaf WMD in Iraq because the Emperor wouldn't really go out in public naked.

Was it immaterial to the fact that we were going to war, regardless of the effectiveness of the "sell"? Yes, that's true, but it gives a lot of cover to the Bush administration that so many people, including 110 Democratic congressmen, voted for the authorization to use military force.

Why is it being re-posted now? Who knows... AI, Iran, whatever.